diff --git a/Lib/threading.py b/Lib/threading.py
index a776c66..cc2be1b 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -391,6 +391,7 @@
         try:
             if not self.__flag:
                 self.__cond.wait(timeout)
+            return self.__flag
         finally:
             self.__cond.release()